package com.java5_16_3;

import java.util.Objects;

public class Student {
    private String name = "";
    private int age = 0;

    public Student() {
    }

    public Student(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }

    @Override
    public boolean equals(Object o) {
        /*
        * this---->s1
        * 0----->s2
        * */
        // 比较地址是否相同，如果相同，直接返回true
        if (this == o) return true;
        // o == null 判断参数是否为null
        // getClass() != o.getClass() 判断两个对象是否来自同一个类
        if (o == null || getClass() != o.getClass()) return false;
        // 向下转型
        Student student = (Student) o;
        // 比较年龄姓名内容是否相同
        return age == student.age && Objects.equals(name, student.name);
    }
}
